Still a kid , not a man

Just told my boyfriend he wasn't a man over a over because we're at the library and I'm finding my own business and he comes upstairs to fuck with me , then he pushed me and said he would push me down the stairs and what not so o told him he wasn't a man , he need to man up , he a kid , and this and that I'm thinking about just leaving him he doesn't care about the baby we have on the way.